These small round plastic vents are made of high quality UV stabilized wire and cable grade polypropylene.

They have a unique polypropylene screen system to keep insects out. They are easy to install. They fit into the hole made by a drill-type hole saw and are held in place by knobs on the side of the vent. No nails or screws are needed.

1.7500 si nfa (square inches of net free ventilation area)

Made in the USA.

Please see our shipping policy for large orders or expedited shipping.